Does HSA cover an air purifier?
An air purifier can be HSA-eligible when a doctor recommends it to treat or relieve a specific medical condition like asthma or severe allergies — but not when it's bought for general comfort or air quality.
What flips the answer
- Covered when
A provider recommends the purifier in a Letter of Medical Necessity to treat a diagnosed condition such as asthma or severe allergies.
- Not covered when
You're buying it for general air quality, odor, or comfort with no diagnosed condition.
- Not covered when
It's a permanent home improvement — only the cost exceeding the increase in your home's value would count, and only with medical necessity.
The IRS treats equipment installed or bought mainly to relieve a diagnosed medical condition as a qualified medical expense. An air purifier prescribed to help manage asthma, chronic allergies, or another respiratory condition can qualify, usually backed by a Letter of Medical Necessity from your provider.
Buy the same device just to freshen the air or because you prefer cleaner air, and it's a general-health or personal item the IRS won't count. The medical purpose and a provider's recommendation are what move it from ineligible to eligible.
Air purifiers also fall under the IRS rules for capital expenses. When a device is a permanent improvement that adds value to your home, only the portion of the cost above the increase in your property's value counts as a medical expense; a standalone, movable purifier is generally treated as fully eligible medical equipment when medically necessary.
That's the general answer. Yours is written in your actual policy.
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